<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/ali/pay">
        <input name="out_trade_no" placeholder="订单号"><br>
        <input name="total_amount" placeholder="多少钱"><br>
        <input name="subject" placeholder="订单名"><br>
        <input name="body" placeholder="订单描述"><br>
        <input type="submit">
    </form>

</body>
</html>